An instrument used to count the frequency of recurrent electronic events and display the count on the panel of the instrument in numeric form. May also include facilities for a readout printed on tape. May include facilities for a very accurate output which can be used as a secondary transfer standard. It can be used to measure frequency, period, time interval, phase angle, frequency ratio, and for multiple period averaging. See also counter, electronic, digital and indicator, digital display.
Classification: Parts and accessories of articles of schedule b subheading 9030.39
NSN 6620-00-019-8424
NSN 6110-01-394-1333
NSN 5999-01-023-7783
NSN 5935-00-059-3613
NSN 5965-00-615-7118
NSN 6145-01-420-6125
NSN 6130-00-512-4448
NSN 6150-01-660-4914
NSN 5990-01-238-1975
NSN 5920-01-120-3823
NSN 5999-01-285-0966
NSN 5835-01-125-6676